About
A semi-evergreen, low shrubby Penstemon from Idaho with wiry stems bearing small, linear, mid-green leaves in whorls (triphyllus) of three and short racemes of small, tubular, lavender-blue flowers in summer. A charming and unusual whorled-leaved Penstemon for a sunny, very well-drained rocky position.
About the genus
Penstemon may be deciduous or evergreen perennials or subshrubs, with simple, narrow leaves and racemes or panicles of bell-shaped or funnel-shaped flowers in summer and early autumn
Plant details
Suggested usesBorders, hedging, specimen planting.
Care notes
CultivationPlant in well-drained soil in sun or part shade.
PruningPrune after flowering or late winter.
PropagationPropagate by division, cuttings, or seed.
Pest resistanceGenerally pest-free.
Disease resistanceGenerally disease-resistant.